Culinary science and hospitality research (한국조리학회지)

Culinary Society of Korean Academy (한국조리학회)
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Quality Characteristics of Kimchi Added with Blue Crab

꽃게를 첨가한 김치의 품질특성

  • Kim, Ji-Hyun (Dept. of Food and Nutrition, Kwangju Women's University) ;
  • Park, Gi-Soon (Dept. of Food and Nutrition, Kwangju Women's University)
  • 김지현 (광주여자대학교 식품영양학과) ;
  • 박기순 (광주여자대학교 식품영양학과)
  • Received : 2014.02.01
  • Accepted : 2014.04.15
  • Published : 2014.04.30
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Abstract

This study was carried out to investigated the quality characteristics of kimchi, made by adding blue crab. Kimchi is made into a fermented vegetable food by adding red pepper powder, garlic, ginger and fermented salted fish to the salted cabbage or radish. Chitin/chitosan, found in the shell of crab is the biopolymer. Chitin possesses many beneficially biological properties. Salt consumption impacts on human health problems such as hypertension and cardiovascular disease. In this study, we hypothesized that kimchi added with raw blue crab would reduce excessive salt consumption and increase protein supplementation. We analyzed lactic acid bacteria level, pH, acidity, salinity and free amino acid of kimchi added with blue crab during 1, 15 and 30 days storage period at $5^{\circ}C$. Lactic acid bacteria, pH, salinity increased significantly in kimchi added with blue crab compared to the control. Accordingly, this result suggested that kimchi should be manufactured by adding raw fish rather than fermented salted fish.

본 연구는 김치의 염도를 낮추고 영양과 기능성을 높이고자 꽃게를 첨가하여 제조한 김치의 이화학적 특성 및 관능평가를 실시하여 최적의 꽃게첨가김치제조 표준레시피를 확정하고자 실시하였다. 꽃게살을 10g, 30g, 50g, 70g, 90g으로 첨가량을 달리하여 김치를 제조하였고, $5^{\circ}C$에서 1일, 15일, 30일 동안 숙성시키면서 일반성분 및 유리아미노산 함량 및 숙성기간에 따른 품질특성을 비교 분석하였다. pH는 꽃게살 90g을 첨가한 경우 15일, 30일 경과 후 4.10, 4.25로 가장 높게 나타났으며 대조군 4.02, 4.13으로 나타나 꽃게 첨가량이 많음에 따라 숙성과정 중 pH변화가 적었다. 산도는 0일째에 대조군 0.5%, 꽃게첨가군 모두 0.7%였으며, 꽃게살 70g 첨가 15일 숙성김치 0.87%, 30일 숙성김치 1.00%로 가장 높게 나타났다. 염도는 대조군 1.26%, 꽃게살 70g 첨가시 1.00%, 90g첨가시 0.93%로 젓갈을 줄이고 꽃게살을 증가시킴으로써 염도는 감소하였다. 유산균수는 꽃게살을 50g 첨가한 김치가 숙성되는 동안 급격히 증가하였다. 김치숙성 중 맛에 영향을 미치는 유리아미노산함량은 대조군 372.6mg%, 꽃게를 첨가한 김치 537.5mg%로 꽃게를 첨가한 경우 높게 나타났으며, 특히 taurine, threonine, glutamic acid, glycine, alanine, phenylalanine 성분이 높게 나타났다. 관능평가 결과 꽃게육수와 꽃게살을 50g첨가하고 $5^{\circ}C$에서 15일간 보관한 김치의 색, 향, 전체적인 기호도가 높게 나타나, 결과적으로 젓갈을 줄이고 꽃게를 첨가하여 제조한 김치는 숙성되어감에 따라 감칠맛, 숙성된 맛의 기호도가 증가하고 염도는 감소하며 산도가 낮음을 알 수 있었다.

Keywords

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